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SC2608B from SC

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SC2608B

Manufacturer: SC, SEMTECH

Simple, Synchronous Voltage Mode PWM Controller

Partnumber Manufacturer Quantity Availability
SC2608B SC, SEMTECH 4441 In Stock

Description and Introduction

Simple, Synchronous Voltage Mode PWM Controller The part **SC2608B** is manufactured by **SEMTECH**. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** SEMTECH  
- **Part Number:** SC2608B  
- **Type:** Synchronous Buck Controller  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage Range:** Adjustable (typically 0.6V to 5.5V)  
- **Switching Frequency:** 300kHz to 2MHz (adjustable)  
- **Maximum Output Current:** Up to 25A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin TSSOP  

### **Descriptions:**  
- The **SC2608B** is a high-performance synchronous buck controller designed for high-current, high-efficiency DC-DC conversion.  
- It supports a wide input voltage range, making it suitable for various applications, including telecom, industrial, and computing systems.  
- The device features adjustable switching frequency and supports external MOSFETs for flexible power stage design.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 18V)**  
- **Adjustable Output Voltage (0.6V to 5.5V)**  
- **Programmable Switching Frequency (300kHz to 2MHz)**  
- **High Efficiency (up to 95%)**  
- **External MOSFET Support for High Current (up to 25A)**  
- **Integrated Bootstrap Diode**  
- **Overcurrent Protection (OCP) and Overvoltage Protection (OVP)**  
- **Thermal Shutdown Protection**  
- **Adjustable Soft-Start**  
- **20-pin TSSOP Package for Compact Design**  

This information is based solely on the available knowledge base for the **SC2608B** by **SEMTECH**.

Application Scenarios & Design Considerations

Simple, Synchronous Voltage Mode PWM Controller

Alternative Part Number

  • LM2596S-ADJ --: Widely available step-down switching regulator with similar buck converter function and adjustable output, easy drop-in for many SC2608B designs.
  • MP1584EN --: Compact high-frequency buck converter offering comparable input range and current capability, good alternative when board space is limited.
  • TPS5430DDA --: Robust 3A step-down converter with wide input voltage and integrated switch, suitable replacement for general SC2608B buck applications.
  • LM3488MM --: Widely available low-side N-channel controller with similar boost/SEPIC capability and comparable pinout flexibility; strong second-source option.
  • UC3843 --: Classic current-mode PWM controller with similar gate drive and compensation features; very common and well documented.
  • NCP1252 --: Current-mode PWM controller offering comparable functionality and easy availability as a practical substitute.

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